Brian conducts a study to examine the ability of boys and girls in solving difficult mathematical problems.He expects girls to perform much better than boys and communicates his expectation to the participants in a subtle manner.This is an example of

Question

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This scenario describes experimenter bias, which occurs when the experimenter's expectations influence the results of the study. In this case, Brian's subtle communication of his expectation may cause him to unintentionally treat the girls differently and/or interpret their results more favorably than the boys' results.

Brian Conducts a Study to Examine the Ability of Boys